Fitriana, N., Prayitno, A., & Suprihadi, E. (2026). Ethnoscience-PjBL for Water Pollution Treatment: Enhancing Chemistry Environmental Understanding and Mathematical Reasoning through Anaerobic Baffled Reactor (ABR). Jurnal Pembelajaran, Bimbingan, Dan Pengelolaan Pendidikan, 6(5), 10. https://doi.org/10.17977/um065.v6.i5.2026.10